ATmega645P Atmel Corporation, ATmega645P Datasheet - Page 260
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ATmega645P
Manufacturer Part Number
ATmega645P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega645P
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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8285D–AVR–06/11
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Table 25-6.
Bit Number
171
170
169
168
167
166
165
164
163
162
161
160
159
158
157
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
ATmega3250A/3250PA/6450A/6450P Boundary-scan Order, 100-pin
Signal Name
PB0.Control
PB0.Pull-up_Enable
PB1.Data
PB1.Control
PB1.Pull-up_Enable
PB2.Data
PB2.Control
PB2.Pull-up_Enable
PB3.Data
PB3.Control
PB3.Pull-up_Enable
PB4.Data
PB4.Control
PB4.Pull-up_Enable
PB5.Data
PB5.Control
PB5.Pull-up_Enable
PB6.Data
PB6.Control
PB6.Pull-up_Enable
PB7.Data
PB7.Control
PB7.Pull-up_Enable
PG3.Data
PG3.Control
PG3.Pull-up_Enable
PG4.Data
PG4.Control
PG4.Pull-up_Enable
PG5
RSTT
RSTHV
EXTCLKEN
OSCON
RCOSCEN
OSC32EN
Module
Port B
Port G
(Observe Only)
Reset Logic
(Observe-only)
Enable signals for main Clock/Oscillators
260
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